Source code for core.algo.dataflow_copy

# -*- python -*-
#
#       OpenAlea.Core
#
#       Copyright 2006-2009 INRIA - CIRAD - INRA
#
#       File author(s): Jerome Chopard <jerome.chopard@sophia.inria.fr>
#
#       Distributed under the Cecill-C License.
#       See accompanying file LICENSE.txt or copy at
#           http://www.cecill.info/licences/Licence_CeCILL-C_V1-en.html
#
#       OpenAlea WebSite : http://openalea.gforge.inria.fr
#
###############################################################################
"""This module provide an algorithm to create a factory from an instance of a
dataflow"""

__license__ = "Cecill-C"
__revision__ = " $Id$ "


def structural_copy(dataflow_pattern, dataflow_copy):
    """
    make a copy of dataflow_pattern into dataflow_copy
    
    copy only structural informations and not informations
    related to vertices like actors
    
    :param dataflow_pattern: the pattern to copy
    :param dataflow_copy: the destination
    
    """
    dfp = dataflow_pattern
    dfc = dataflow_copy
    dfc.clear()
    #copie des vertices
    for vid in dfp.vertices():
        dum = dfc.add_vertex(vid)
        for pid in dfp.out_ports(vid):
            dum = dfc.add_out_port(vid, dfp.port(pid).local_pid, pid)
            dfc.set_capacity(pid, dfp.capacity(pid))
        for pid in dfp.in_ports(vid):
            dum = dfc.add_in_port(vid, dfp.port(pid).local_pid, pid)
            dfc.set_capacity(pid, dfp.capacity(pid))
    #copie des liens
    for eid in dfp.edges():
        dum = dfc.connect(dfp.source_port(eid), dfp.target_port(eid), eid)